[DeTomaso] third update on clutch slave not compressing fully

Sun May 13 00:30:41 EDT 2012

I did that and the situation repeated itself. Shortening the rod made no difference-- it just seized in a different position.

-----Original Message-----
From: Forest Goodhart <forestg at att.net>
To: detomaso <detomaso at realbig.com>
Sent: Sat, May 12, 2012 9:24 pm
Subject: Re: [DeTomaso] third update on clutch slave not compressing fully

It could be that the slave is bottoming out or is bound up with varnish. Shorten 
the rod about 1/8" and see what happens.

_______________________________
rom: Pantdino <pantdino at aol.com>
o: asajay at asajay.com; detomaso at realbig.com
ent: Sat, May 12, 2012 8:42:16 PM
ubject: Re: [DeTomaso] third update on clutch slave not compressing fully

hanks for your thoughts.
t this point the slave is the guilty party, so I'm going to remove it anyway. 
hen I'll be able to confirm what you suggest.
ut it seems to me that once I have tapped the piston back in and created play 
n the slave-clutch lever connection and the clutch lever moves fine I have 
uled out binding / seizure inside the bell housing. 

or the problem to be inside the bell housing there would have to be a point at 
hich severe binding occurred, none whatsoever short of that, and nothing of 
ignificance beyond it, as the clutch pedal is not heavy to operate.
I don't have very strong hands, and the tapping I do with my mallet is probably 
o more force than a strong guy could do with his hands.
Jim

-----Original Message-----
rom: Asa Jay Laughton <asajay at asajay.com>
o: detomaso <detomaso at realbig.com>
ent: Sat, May 12, 2012 8:24 pm
ubject: Re: [DeTomaso] third update on clutch slave not compressing fully

ut you need to disengage it all.  For all you really know, unless 
u've disconnected that linkage, when you are pounding the piston back 
, you may be hammering something in the bellhousing and -not- the 
ave cylinder.  By disconnecting the linkage you can verify the 
llcrank lever moves smoothly when not engaging the clutch.  That will 
olate it from the hydraulic system.
f the bellcrank lever moves as expected, then you need to start looking 
 the rest of the system, slave, master, lines in between, age of 
uid, etc.
H, and there is absolutely NO reason you should have to "hammer" the 
ave piston back in.  It should move smoothly by -hand-, albeit with a 
ttle bit of umph.  If it's more than you can move by hand... something 
 wrong, you need to disconnect and isolate the individual systems.
sa Jay
sa Jay Laughton, MSgt, USAFR, Retired
 Shelley Marie
okane, WA
****************************
tp://www.racingagainstautism.com
tp://www.teampanteraracing.com
tp://facebook.com/racingagainstautism
n 5/12/2012 8:18 PM, Pantdino wrote:
t least on my car the slave rod is not actually attached to the piston-- it 
st has a convex end that sits in a concave depression in the piston. So I can 
sh the rod perpendicular to it's axis and feel and see it moving around when 
's not under tension and play exists. When there is play the clutch arm moves 
sily.
Jim
-----Original Message-----
rom: Asa Jay Laughton<asajay at asajay.com>
o: detomaso<detomaso at realbig.com>
ent: Sat, May 12, 2012 7:47 pm
ubject: Re: [DeTomaso] third update on clutch slave not compressing fully

You need to suck it up and press that pin out of the bellcrank lever.
thout being able to disengage the individual items of the system, you
uld keep guessing for days.
sa Jay
sa Jay Laughton, MSgt, USAFR, Retired
   Shelley Marie
okane, WA
****************************
tp://www.racingagainstautism.com
tp://www.teampanteraracing.com
tp://facebook.com/racingagainstautism
n 5/12/2012 6:39 PM, Pantdino wrote:
 Well, cracking the bleed nipple open did not cause anything to move.  A 
ttle
uid came out, but I still couldn't push the slave piston up. Tapping w mallet
s successful. Attaching the rather strong spring did not move the arm with 
e
pple open either.  Tiny pulses of fluid exiting the nipple were seen w each
p of the mallet.
  So it's not an hydraulic problem with the master cylinder, it's a local
nding issue. My current theory is that the slave piston is binding in the
re. Large hydraulic pressure from the clutch pedal depression is able to move
e piston but the little return spring or my girly arm is not.
  Any other theories?

  -----Original Message-----
 From: Pantdino<pantdino at aol.com>
 To: jb841<jb841 at cox.net>; detomaso<detomaso at realbig.com>
 Sent: Sat, May 12, 2012 6:05 pm
 Subject: Re: [DeTomaso] second update on clutch slave not compressing fully

  hat occurred to me too. But since the system is under pressure I won't even
 eed the spring on.  I suspect that when I crack the bleed nipple loose the 
m
 ill move and I'll have play again. With the spring on you can't evaluate for
 lay without taking it off again
 Jim
  -----Original Message-----
 rom: John Buckman<jb841 at cox.net>
 o: detomaso<detomaso at realbig.com>
 ent: Sat, May 12, 2012 5:54 pm
 ubject: [DeTomaso] second update on clutch slave not compressing fully
  im,
 ith the spring installed, try opening the slave's bleeder screw slightly to
e
 f the slave retracts further
 .e.  the stop bolt comes to rest at its stop).  Also check for free play at
 e master cylinder's pushrod.  The
 shrod needs to be touching the retaining washer in the master cylinder.  You
 n't see the forward end
   the pushrod, as it's inside the master cylinder.  You may have to pull the
 n from the pushrod's yoke to
 eck.
 ohn
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